This scale blends the hue_pal
and grey_pal
palettes from the scales package. The
"highlighted" elements, selected by position, use the hue palette; the
other elements use the grey pallete.
scale_colour_focus(pos, ..., h = c(0, 360) + 15, c = 100, l = 65, h.start = 0, direction = 1, start = 0.2, end = 0.8, na.value = "red")
pos | One or more positions in color scale to focus on |
---|---|
... | Other arguments passed on to |
h | range of hues to use, in [0, 360] |
c | chroma (intensity of colour), maximum value varies depending on combination of hue and luminance. |
l | luminance (lightness), in [0, 100] |
h.start | hue to start at |
direction | direction to travel around the colour wheel, 1 = clockwise, -1 = counter-clockwise |
start | gray value at low end of palette |
end | gray value at high end of palette |
na.value | Colour to use for missing values |